Rearrange and extend string documentation#2997

Merged

braddr merged 3 commits intodlang:masterfrom kuettler:string_doc_cleanup

Feb 24, 2015

Commits on Feb 16, 2015

Rearrange and extend string documentation
kuettler
committed

Commits on Feb 21, 2015

add splitterLines function and a little rewording
kuettler
committed

Commits on Feb 23, 2015

Update to reflect dlang#3018
kuettler
committed